Inventor
RUAN DINGSHAN
CN20 patents
⚠️ This page may combine multiple inventors who share the name “RUAN DINGSHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD
17 patentsUS11894531B2Feb 6, 2024
Method for recovering lithium battery slurry and device for recovery of same
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD2 citations70
US12206094B2Jan 21, 2025
Silicon-carbon composite anode material, and preparation method and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD1 citations60
US12110231B2Oct 8, 2024
Expanded graphite and preparation method therefor
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations59
US11876209B2Jan 16, 2024
Pre-lithiated lithium ion positive electrode material, and preparation method therefor and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations56
US12195347B2Jan 14, 2025
Method for regulating particle size of Prussian white
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations55
US12401026B2Aug 26, 2025
Method for preparing silicon-carbon composite anode material and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations54
US11837734B2Dec 5, 2023
Oxygen reduction catalyst employing graphite of negative electrode of waste battery, and preparation method therefor
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations50
US12098442B2Sep 24, 2024
Method for enriching lithium from lithium clay
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations46
US12586789B2Mar 24, 2026
Recycling method of ternary material micropowder, and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12202739B2Jan 21, 2025
Manganese-doped cobaltosic tetroxide and preparation method and application thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12170372B2Dec 17, 2024
Nitrogen-doped hollow cobaltosic oxide and preparation method and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12162753B2Dec 10, 2024
Preparation method for nano ferric phosphate with low sulfur content
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12428312B2Sep 30, 2025
Preparation method of Ni-Rich ternary precursor and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations44
US12252414B2Mar 18, 2025
Method for preparing ternary cathode precursor material with low sulfur content and high specific surface area
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations44
US12136714B2Nov 5, 2024
Method for selectively extracting lithium from retired battery and application of method
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations43
US12043882B2Jul 23, 2024
Method for safely oxidizing and roasting neodymium-iron-boron powder and application thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations43
US11888145B2Jan 30, 2024
Ternary single crystal positive electrode material, preparation method therefor and use thereof
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations42